On Fri, Dec 06, 2024 at 05:56:24PM -0500, Frank Li wrote: > i.MX6SX only has 4 ADC channels, so limit channel numbers to 4 for > compatible string 'fsl,imx6sx-adc'. This patch already in linux-next, send out accidently. please forget it. sorry for that. Frank > > Reviewed-by: Haibo Chen <haibo.chen@xxxxxxx> > Signed-off-by: Frank Li <Frank.Li@xxxxxxx> > --- > compatible string 'fsl,imx6sx-adc' already document in > Documentation/devicetree/bindings/iio/adc/fsl,vf610-adc.yaml > Change from v5 to v6 > - remove return value check of device_get_match_data() and move it to > declare place. > > Change from v4 to v5 > - none > > Change from v3 to v4 > - Add struct vf610_chip_info to avoid cast int to void* > > Change from v2 to v3 > - none > > Change from v1 to v2 > - Add Haibo Chen <haibo.chen@xxxxxxx> > - change cast to uintptr_t to fix below warning > > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202411052345.gyJaM3h4-lkp@xxxxxxxxx/ > All warnings (new ones prefixed by >>): > > In file included from drivers/iio/adc/vf610_adc.c:20: In file included from include/linux/regulator/consumer.h:35: > In file included from include/linux/suspend.h:5: > In file included from include/linux/swap.h:9: > In file included from include/linux/memcontrol.h:21: > In file included from include/linux/mm.h:2213: > include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] > 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" > | ~~~~~~~~~~~ ^ ~~~>> drivers/iio/adc/vf610_adc.c:874:28: warning: cast to smaller integer type 'u32' (aka 'unsigned int') from 'const void *' [-Wvoid-pointer-to-int-cast] > 874 | indio_dev->num_channels = (u32)device_get_match_data(dev); > | > --- > drivers/iio/adc/vf610_adc.c | 18 ++++++++++++++++-- > 1 file changed, 16 insertions(+), 2 deletions(-) > > diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c > index fb7afa91151f2..850453be7a8a4 100644 > --- a/drivers/iio/adc/vf610_adc.c > +++ b/drivers/iio/adc/vf610_adc.c > @@ -177,6 +177,10 @@ struct vf610_adc { > } scan; > }; > > +struct vf610_chip_info { > + u8 num_channels; > +}; > + > static const u32 vf610_hw_avgs[] = { 1, 4, 8, 16, 32 }; > static const u32 vf610_lst_adder[] = { 3, 5, 7, 9, 13, 17, 21, 25 }; > > @@ -808,8 +812,17 @@ static const struct iio_info vf610_adc_iio_info = { > .attrs = &vf610_attribute_group, > }; > > +static const struct vf610_chip_info vf610_chip_info = { > + .num_channels = ARRAY_SIZE(vf610_adc_iio_channels), > +}; > + > +static const struct vf610_chip_info imx6sx_chip_info = { > + .num_channels = 4, > +}; > + > static const struct of_device_id vf610_adc_match[] = { > - { .compatible = "fsl,vf610-adc", }, > + { .compatible = "fsl,imx6sx-adc", .data = &imx6sx_chip_info}, > + { .compatible = "fsl,vf610-adc", .data = &vf610_chip_info}, > { /* sentinel */ } > }; > MODULE_DEVICE_TABLE(of, vf610_adc_match); > @@ -824,6 +837,7 @@ static void vf610_adc_action_remove(void *d) > static int vf610_adc_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > + const struct vf610_chip_info *chip_info = device_get_match_data(dev); > struct vf610_adc *info; > struct iio_dev *indio_dev; > int irq; > @@ -881,7 +895,7 @@ static int vf610_adc_probe(struct platform_device *pdev) > indio_dev->info = &vf610_adc_iio_info; > indio_dev->modes = INDIO_DIRECT_MODE; > indio_dev->channels = vf610_adc_iio_channels; > - indio_dev->num_channels = ARRAY_SIZE(vf610_adc_iio_channels); > + indio_dev->num_channels = chip_info->num_channels; > > vf610_adc_cfg_init(info); > vf610_adc_hw_init(info); > -- > 2.34.1 >
